Factory-like manufacturing of dam components and method for rapid construction of dams

A kind of technology of building dams and industrialization, which is applied in the field of dam construction and dam construction, which can solve the problems of long construction period, poor reliability, and shortage of stone materials, and achieve the effects of saving materials, improving stability, and speeding up construction

Inactive Publication Date: 2016-01-20
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, there is a shortage of stone materials, long transportation distances, long construction periods, and poor reliability.

Method used

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  • Factory-like manufacturing of dam components and method for rapid construction of dams
  • Factory-like manufacturing of dam components and method for rapid construction of dams

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1 is a coastal soft foundation dam construction project, which is divided into 16 construction unit blocks, and its dam section is as follows: figure 1 As shown, the method includes the following steps:

[0032] A. Lay 500g / m on the embankment that has been measured and set out 2 Needle-punched non-woven geotextiles (2), throwing medium-coarse sand with a thickness of 2m and a mud content of less than 5% on the geotextile (2) as a sand cushion (4), interspersed in a triangular arrangement with a spacing of 1.5m, A vertical plastic drainage board (1) with a depth of 16m forms horizontal and vertical drainage channels; B. Buried instruments, set signs, and laid vacuum drainage pipes for filtration and drainage; covered with three layers of PVC sealing film (5), and excavated Vacuum preload the sealing membrane groove, lay the sealing membrane and backfill it with silt, and seal the surrounding sealing groove (3); install a vacuum pump, connect the main branch...

Embodiment 2

[0033] Embodiment 2 is the sea reclamation project of a certain soft foundation dam, and its dam section is as follows figure 2 Shown, its method is similar with embodiment 1, and difference is: F. fill the easy subsidence position of embankment core (11) with light material (17), mix with light material (17) in filling earthwork ( 18). G. After the embankment is stable, do a good job of laying the surface of the embankment top surface (10); use the top concrete (16) on the dike top, and adopt concrete (15) to form slope protection and masonry anti-wave walls (9) on the upper part of the embankment, With prefabricated 8 tons of twisting " king " block body wave-dispelling face protection, lay artificial face protection block body (14) from bottom to top.

[0034] Through the comparative analysis of various dams, the advantages of the present invention have been fully reflected: the added dam components are connected with each other to form the dam skeleton, which improves th...

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Abstract

The invention relates to a method for industrially manufacturing embankment components and quickly constructing an embankment, which belongs to embankment construction technology. The joint preloading of plastic drainage boards, geotextiles, sand cushions and vacuuming is used to quickly treat the foundation; vacuuming is used under the sealing film, and a secondary sand cushion is thrown on the covering film, and the prefabricated components Input the earthwork from above; form the joint preloading of water level, sand cushion earthwork pile-up and vacuum; adopt the prefabricated embankment components to be placed on the treated embankment foundation, and connect each other to form the embankment skeleton, light cushion method, adjust The force balance of the embankment is improved, and uneven settlement and landslides are avoided; the problems of foundation strength and earthwork height are fundamentally solved, which is conducive to mechanized and large-scale construction. It also has the characteristics of replacing stone with soil, saving costs, increasing construction speed, and being stable and reliable.

Description

technical field [0001] The invention relates to embankment construction, especially a method for rapid embankment construction on weak foundations. Belongs to dam construction technology. Background technique [0002] Dikes and dams are the general term for dikes and dams, and also generally refer to buildings and structures that are waterproof and water-retaining. There are long coastlines on the earth, and coastal tidal flats are extremely rich in resources, which must resist the erosion of tides and waves. The dam is its extremely important engineering facility. Building dams on natural soft soil foundations is bound to be limited by the physical and mechanical properties of natural foundation soils. Due to the high water content of coastal soils, low foundation bearing capacity, low permeability coefficient, slow consolidation, and high sensitivity, the loading speed must be controlled. The bearing capacity of the foundation is slowly increased before the load can be a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/10
CPCY02A10/11
Inventor 陶松垒徐士龙冯全宏滕一峰李未材
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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